Home / 64,065,380.32-96,110,434.32-20,922,985.36

Finding the Fourth Proportional to 64,065,380.32, 96,110,434.32 and 20,922,985.36

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Solution

The fourth proportional to 64,065,380.32, 96,110,434.32 and 20,922,985.36 is: 31,388,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,065,380.32 : 96,110,434.32 = 20,922,985.36 : x
  2. Step 2: Convert to fraction form
    64,065,380.32/96,110,434.32 = 20,922,985.36/x
  3. Step 3: Cross multiply
    64,065,380.32x = 96,110,434.32 × 20,922,985.36
  4. Step 4: Simplify right side
    64,065,380.32x = 2,010,917,210,220,601.25
  5. Step 5: Solve for x
    x = 2,010,917,210,220,601.25/64,065,380.32
  6. Step 6: Final answer
    x = 31,388,515.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.